What is the mean of 72,73,86,59,75,58,50,55

Answers

Answer 1

Answer:

MEAN

Mean is the average. To find the mean of a data set, you have to add all the numbers and divide the sum by the amount of numbers you added.

In this equation, you have 8 numbers. That means you will be dividing by 8.

The first thing you need to do is add all the numbers. Add:

$72+73+86+59+75+58+50+55 = \bf 528$

Now that you have added all the numbers and got the sum, divide by 8. Remember that you will be dividing by 8 since you added 8 numbers.

Divide:

$528 / 8 = \bf 66$

The mean is 66

If you have any questions, feel free to ask in the comments! :)

Answer 2

Answer: The answer is 66.

Step by step explanation:
First, add all of the numbers together.
Then, divide the sum of the numbers by the number of entries you see.

Since there’s 8 numbers, you divide it by 8.

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What is the mixed number for 51/9

Answers

5 2/3 is the answer to your question

Ok, if you are looking for the mixed number, you just divide the numerator, 51, by the denominator, 9. If you divide 51 by 9, you should get 5, because 9 times 5 equals 45, with 6 remainder. So the mixed number will be 5 6/9.

Can someone smart please tell me the answers to al of 1-8 ASAP

Answers

continuing from previous post:

1. supplementary
28 + x = 180
subtract 28 from each side
x = 152°
m<FEG = 152°
(they're the same thing, since <FEG is marked x)

2. complementary
74 + x = 90
x = 16°
m<KIL = 16°

3. vertical
135 = 5x
divide each side by 5
x = 27°

supplementary
135 + O = 180
O = 45°

4. complementary
x + x = 90
2x = 90
x = 45°
<RUS = 45°
<TUS = 45°

5. vertical
<AED = 72°

72 = 2x - 6
78 = 2x
39 = x

6. supplementary
2x + 2x = 180
4x = 180
x = 45°
<FIH = 45°
<HIG = 45°

7. complementary
x + 2x = 90
3x = 90
x = 30°
<AOB = 30°
<BOC = 60°

8. < YOZ is a right angle, so <YOZ = 90°

< WOX is complementary to the 40° angle.
< WOX + 40 = 90
< WOX = 50°

< XOZ can be found by adding together the 40° and < YOZ.
40 + 90 = < XOZ = 130°

What is 244 x 3 ÷ 2?Please show work and if it has a remainder us it. Don't use decimals.

Answers

Hello!!

244
x 3
-------------------------------------
732.

Now to divide.

Thats 366. Hoped i helped!!!!

To solve this, you have to use PEMDAS, which shows that multiplacation and division from left to right.

  244 244 times 3 is 732
  x 3
  732

After this, you have to divide 732 by 2:

2)732(366 732 divided by 2 is 366

Therefore, the answer to 244 x 3 divided by 2 = 366

ALSO, PLEASE PICK ME AS BRAINLIEST!!!!! PLEASE!!!!!!

A new shopping mall records 120 total shoppers on their first day of business. Each day after that, thenumber of shoppers is 10% more than the number of shoppers the day before.

What is the total number of shoppers that visited the mall in the first 7 days?

Round your final answer to the nearest integer.

Answers

$\boldsymbol{\mathbf{Answer}}$

$\boldsymbol{\mathbf{213\,shoppers\, will\, visit\,on \, first\, seventh\, day}}$

$\boldsymbol{\mathbf{Step-by-step explanation}}$

Let, No of shoppers on first day = a

No of shoppers on second day = b

Similarly till seventh day,

Therfore shoppers on seventh day=

a + b + c + d + e + f + g

As mentioned ,number of shoppers is 10% more than the number of shoppers the day before. i.e we can understand that a to g all are 1.1 times bigger than the previous letter.

That means all are in geometric series.

We know the formula for sum of geometric series is,

= $\boldsymbol{\mathbf{\sum {a}*{r^((n-1))}}}$

$\boldsymbol{\mathbf{a \, is\, first\, value}}$

$\boldsymbol{\mathbf{r \, is\, multiplication\, factor\, value}}$

$\boldsymbol{\mathbf{n \, is\, no\, items\, in\, series}}$

That is,

a = 120

r = 1.1

n = 7

= $\sum {120}*{1.1^((7-1))}$

= ${120}*{1.7715}$

= 212.58

Approximately

$\boldsymbol{\mathbf{=\, 213 \,shoppers \,will\, be \,there\, on \,seventh \,day.}}$

There was 90 runners in the first half 2/5 dropped out I the second half 2/3 dropped out how many finished the race

Answers

Answer:

18 Runners finished the race

Step-by-step explanation:

Given in question

Number of runners taken part in race = 90

Now in first half , $(2)/(5)$ drpped

i.e $90times((2)/(5) )$ = 36

so left runners in first half = 90- 36 = 54

again in second half 54 runners are there, but of them again $(2)/(3)$ dropped

So, $54 times((2)/(3) )$ = 36

Thus runner left in second half = 54 -36 = 18

Hence the number of runner finished the race = 18 Answer

I do not get please help!!

Answers

Dominic: $2(3)/(4)$
Rachel : $1 (1)/(3)$ as long
How long Rachel worked:

$2(3)/(4) = (11)/(4)$
$1 (1)/(3)$ = $(4)/(3)$

$(11)/(4)$ × $(4)/(3)$
$(44)/(12)$ = $3 (2)/(3)$

The answer is C. $3(2)/(3)$

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